Tonami, Toyama, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Tonami, Toyama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 1st Aug - 2nd Aug 2025
Tonami, Toyama, Japan
4 AM1st Aug 2025
7 PM
3 AM2nd Aug 2025
60AQI
39AQI
58AQI
38AQI
In the last 24 hours,
Tonami's AQI reached its highest point of 60 at 4 PM during the Day, while the lowest point, 38, was recorded at 1 AM during the Night between 1st Aug and 2nd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Tonami, Toyama, Japan
26°C21/32°C
26°C21/33°C
25°C21/32°C
26°C21/32°C
26°C21/33°C
26°C22/32°C
25°C20/31°C
25°C20/31°C
24°C19/31°C
23°C18/29°C
24°C19/33°C
27°C20/36°C
26°C22/32°C
27°C20/34°C
24°C22/31°C
27°C22/35°C
27°C21/35°C
27°C21/35°C
28°C22/35°C
27°C22/34°C
27°C21/34°C
27°C22/35°C
27°C22/35°C
27°C21/35°C
28°C22/35°C
28°C22/35°C
27°C22/34°C
27°C22/34°C
28°C23/34°C
27°C22/34°C
--°C/°C
51AQI
47AQI
50AQI
47AQI
2025 Days Vs Air Quality
Tonami, Toyama, Japan
84%
179
16%
34
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 84%
Health Risk Level:
Low
In 2025, 84% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Tonami, Toyama, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
28AQI
28AQI
26AQI
25AQI
29AQI
27AQI
28AQI
28AQI
25AQI
27AQI
25AQI
25AQI
30AQI
25AQI
27AQI
26AQI
26AQI
28AQI
33AQI
38AQI
34AQI
49AQI
39AQI
38AQI
30AQI
27AQI
29AQI
29AQI
31AQI
31AQI
45AQI
29AQI
36AQI
33AQI
33AQI
32AQI
32AQI
30AQI
30AQI
29AQI
30AQI
32AQI
32AQI
32AQI
30AQI
32AQI
37AQI
30AQI
31AQI
30AQI
30AQI
31AQI
32AQI
32AQI
34AQI
41AQI
49AQI
45AQI
48AQI
39AQI
39AQI
34AQI
27AQI
31AQI
32AQI
37AQI
35AQI
38AQI
35AQI
31AQI
48AQI
35AQI
36AQI
25AQI
25AQI
28AQI
21AQI
33AQI
48AQI
49AQI
64AQI
59AQI
74AQI
71AQI
68AQI
50AQI
41AQI
33AQI
34AQI
30AQI
27AQI
21AQI
22AQI
33AQI
34AQI
35AQI
41AQI
32AQI
41AQI
46AQI
44AQI
30AQI
39AQI
23AQI
34AQI
42AQI
52AQI
55AQI
46AQI
42AQI
49AQI
26AQI
23AQI
38AQI
47AQI
46AQI
46AQI
47AQI
56AQI
53AQI
39AQI
37AQI
34AQI
35AQI
33AQI
26AQI
29AQI
30AQI
27AQI
21AQI
39AQI
45AQI
52AQI
53AQI
54AQI
40AQI
49AQI
47AQI
59AQI
65AQI
48AQI
47AQI
42AQI
32AQI
33AQI
32AQI
32AQI
37AQI
35AQI
27AQI
33AQI
41AQI
38AQI
41AQI
38AQI
47AQI
49AQI
56AQI
64AQI
53AQI
45AQI
46AQI
43AQI
37AQI
25AQI
35AQI
33AQI
39AQI
46AQI
52AQI
55AQI
62AQI
41AQI
45AQI
42AQI
43AQI
53AQI
40AQI
46AQI
53AQI
53AQI
82AQI
84AQI
77AQI
71AQI
60AQI
61AQI
60AQI
58AQI
52AQI
54AQI
49AQI
53AQI
47AQI
38AQI
42AQI
33AQI
32AQI
34AQI
34AQI
36AQI
41AQI
46AQI
48AQI
50AQI
44AQI
38AQI
38AQI
40AQI
42AQI
47AQI
46AQI
30AQI
34AQI
41AQI
38AQI
40AQI
45AQI
50AQI
46AQI
No. of days
202540AQI
Highest AQI recorded in
July50AQI
Lowest AQI recorded in
January30AQI
202434AQI
Highest AQI recorded in
April50AQI
Lowest AQI recorded in
December26AQI
202337AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
October30AQI
202237AQI
Highest AQI recorded in
May48AQI
Lowest AQI recorded in
August23AQI
202134AQI
Highest AQI recorded in
June45AQI
Lowest AQI recorded in
January27AQI
202032AQI
Highest AQI recorded in
August49AQI
Lowest AQI recorded in
July23AQI
Most & Least Polluted Years Over the Last 6 Years
Tonami's annual 2025 AQI (40) shows an average percentage change of 13.8% (worsened AQI) compared to previous years: 2020 (32), 2021 (34), 2022 (37), 2023 (37), 2024 (34).